size(500,500);
smooth();
background(255,204,208);
fill(255,20);
float scaleVal =18.0;
float angleInc = PI/28.0;
float angle = 0.0;
for (int offset = -10; offset < width +5; offset += 20){
  for ( int y = 0; y <= height; y +=1){
    float x = offset + (sin(angle) * scaleVal);
    noStroke();
    ellipse (x,y,10,10);
    stroke(0);
    point(x,y);
    angle += angleInc;
  }
  angle += PI;
}